Home / 745,463,755.44-1,028,816,510.40-448,202,827.44

Finding the Fourth Proportional to 745,463,755.44, 1,028,816,510.40 and 448,202,827.44

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Solution

The fourth proportional to 745,463,755.44, 1,028,816,510.40 and 448,202,827.44 is: 618,565,913.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,463,755.44 : 1,028,816,510.40 = 448,202,827.44 : x
  2. Step 2: Convert to fraction form
    745,463,755.44/1,028,816,510.40 = 448,202,827.44/x
  3. Step 3: Cross multiply
    745,463,755.44x = 1,028,816,510.40 × 448,202,827.44
  4. Step 4: Simplify right side
    745,463,755.44x = 461,118,468,878,234,176
  5. Step 5: Solve for x
    x = 461,118,468,878,234,176/745,463,755.44
  6. Step 6: Final answer
    x = 618,565,913.52

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.